puts "========"
puts "OCC23866"
puts "========"
puts ""
########################################
#  GccAna_Circ2d3Tan does not find a circle
########################################

restore [locate_data_file bug23866_3curves.brep] 3curves

explode 3curves

mkcurve 3d_curve_1 3curves_1
mkcurve 3d_curve_2 3curves_2
mkcurve 3d_curve_3 3curves_3

to2d 2d_curve_1 3d_curve_1
to2d 2d_curve_2 3d_curve_2
to2d 2d_curve_3 3d_curve_3

set circles_Nb [llength [cirtang cir 2d_curve_1 2d_curve_2 2d_curve_3] ]

if { ${circles_Nb} != 8 } {
   puts "Error: GccAna_Circ2d3Tan does not find a circle"
} else {
   puts "OK: GccAna_Circ2d3Tan find a circle"
   checklength cir_1 -l 9429.8727947293246
   checklength cir_2 -l 888.65915068757909
   checklength cir_3 -l 8.5227983514817236
   checklength cir_4 -l 6.2260879234386
   checklength cir_5 -l 14054.240322333564
   checklength cir_6 -l 596.25725451268329
   checklength cir_7 -l 7.6941358383928531
   checklength cir_8 -l 6.8966408969867814
}